'Else if'in bash scripting, often written as'elif', is used to check multiple conditions in your code. It is used with the syntax,if [firstStatement]; then... elif [secondCondition]; then... else. It’s a powerful tool that allows your scripts to make decisions based on various scen...
Bonus: Bash if else statement in one line So far all the if else statement you saw were used in a proper bash script. That's the decent way of doing it but you are not obliged to it. When you just want to see the result in the shell itself, you may use the if else statements ...
If it is false, the else statement is printed. We can utilize an if-else statement in one line in Bash. Before writing the script, we must add the Bash shell on Linux to run the Bash scripts. Using the Bash If-Else Statement in Linux We can use the case statements and if ...
Conclusion Theif,if...elseandif...elif...elsestatements allow you to control the flow of the Bash script’s execution by evaluating given conditions. If the condition evaluated to false, the code in the optionalelseclause will be executed. ...
9.1. Simple Bash if/else statement Please note the spacing inside the [ and ] brackets! Without the spaces, it won't work! #!/bin/bash directory="./BashScripting" # bash check if directory exists if [ -d $directory ]; then
if first-test-commands; then consequent-commands; [elif more-test-commands; then more-consequents;] [else alternate-consequents;] fi Tests commands in the bash if statement, and bash elif clauses, are executed in order until one test succeed. If no test succeeds, and a bash else clause...
if语法更短 # One line # Note: The 3rd statement may run when the 1st is true [[ $var == hello ]] && echo hi || echo bye [[ $var == hello ]] && { echo hi; echo there; } || echo bye # Multi line (no else, single statement) ...
Bash if-else statement or conditional statement is the most fundamental concept in any programming language that provides the facility to execute code condition
else statement5 fi You can use this if .. elif.. if , if you want to select one of many blocks of code to execute. It checks expression 1, if it is true executes statement 1,2. If expression1 is false, it checks expression2, and if all the expression is false, then it enters...
if语句条件内的while循环 Else语句内的While循环 while循环内的Try块 带有if语句的Bash while循环停滞在true循环中 Bash比较字符串在while循环中不起作用 while循环在附加的文件bash中中断到早期 在具有多个条件的bash中编写do while循环 " bash :未找到命令“使用while循环在bash中执行算术运算 在循环内字符串的起始...